You can call CCB customer service hotline 95533 to cancel. If you have mobile banking or online banking, you can also cancel it yourself. Instant notification of transactions: all transactions of Longka Credit Card will be notified by SMS immediately (except debit transactions), so that you can keep abreast of account changes. Within 48 hours before loss reporting, it can cover all domestic and overseas stolen transactions of Longka Credit Card, including online shopping at home and abroad, mobile payment, cash withdrawal, etc. ※. High compensation, no loss, maximum compensation guarantee of 50,000 yuan per year. ※. . Purchase method: 1. ※. WeChat pays attention to the official WeChat account of "China Construction Bank" or "Longka Credit Card" and enters the keyword "Anxin". 2. Edit the short message "4 digits after CCHD# card number #025" and send it to 95533. The charging standard is 3 yuan/household/month, and the fee will be renewed automatically when it expires. Notice of purchase: This service is applicable to CCB credit cards (business cards and business cards).